21490872 (number)

21490872 is an even 8-digits composite number following 21490871 and preceding 21490873. In scientific notation, it is written as 2.1490872 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 6612480 positive integers (up to 21490872) that are relatively prime to 21490872.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred seventy-two

Notation

Scientific notation 2.1490872 × 10^7
Engineering notation 2.1490872 × 10^6

Prime Factorization of 21490872

Prime Factorization 2 × 2 × 2 × 3 × 13 × 68881

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5372718
Product of the distinct prime numbers

The prime factorization of 21490872 is 2 × 2 × 2 × 3 × 13 × 68881. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 8, 17, 79, 2, 659, 7963, 6690, 10781, 58562, 804738, 12573, 6229329, 2341954, 3515604, 46530135, 29663392, 191232002, 3397766819, 9376739620

Basic calculations (n = 21490872)

Multiplication

n×y
n×2 42981744
n×3 64472616
n×4 85963488
n×5 107454360

Division

n÷y
n÷2 10745436
n÷3 7163624
n÷3 5372718
n÷5 4298174.4

Exponentiation

ny
n2 461857579320384
n3 9.9257221194042E+21
n4 2.1331242357568E+29
n5 4.5842699910748E+36

Nth Root

y√n
2√n 4635.824845699
3√n 278.02553118519
4√n 68.086891878679
5√n 29.271892901111

Divisors of 21490872

1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68881, 137762, 206643, 275524, 413286, 551048, 826572, 895453, 1653144, 1790906, 2686359, 3581812, 5372718, 7163624, 10745436, 21490872

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490872 can be divided by 32 positive divisors. The sum of these divisors (counting 21490872) is 1, the average is 0.03125.

Base conversion 21490872

Base System Value
2 Binary 1010001111110110010111000
3 Ternary 1111102211221020
4 Quaternary 1101332302320
5 Quinary 21000201442
6 Senary 2044342440
8 Octal 121766270
10 Decimal 21490872
12 Duodecimal 7244a20
16 Hexadecimal 147ecb8
20 Vigesimal 6e673c
36 Base36 csmgo

Cryptographic Hash Functions

md5 10ea696e2fbee82318b089da95e1113c
sha1 d2edec98b0785908aad4838c45b3884d53924e30
sha256 97d32ed94894ced2534ab43705649ef148a140a40d629f991de6acb0c5664d59
sha512 e03e538243f7b7b5f7785e1493243b04b71527f1d5335dae184b6be5edcbfdb526a7251d84d214105b9880f8f7a25c6b066aaa62ff79e8696512cee53681f249
ripemd-160 72587c3a86274aa343af98cc30c5769d349d7b7d

21490872 as geometric shapes

Circle

Radius = n
Diameter 42981744
Circumference 135031131.18888
Area 1.4509683781977E+15

Sphere

Radius = n
Volume 4.1576767589192E+22
Surface area 5.8038735127907E+15
Circumference 135031131.18888

Square

Length = n
Perimeter 85963488
Area 461857579320384
Diagonal 30392682.649624

Cube

Length = n
Surface area 2771145475922304
Volume 9.9257221194042E+21
Space diagonal 37223282.202959

Equilateral Triangle

Length = n
Perimeter 64472616
Area 1.9999019831092E+14
Altitude 18611641.10148

Triangular Pyramid

Length = n
Surface area 1.9999019831092E+14
Volume 1.1697575698007E+21
Height 10130894.216541